215 lines
7.8 KiB
OpenEdge ABL
215 lines
7.8 KiB
OpenEdge ABL
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;begin_both
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/*****************************************************************************\
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* *
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;end_both
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* cpl.h - Control panel extension DLL definitions *
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* cplp.h - Private Control panel extension DLL definitions * ;internal_NT
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;begin_both
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* *
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* Version 3.10 *
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* *
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* Copyright (c) Microsoft Corporation. All rights reserved. *
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* *
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******************************************************************************/
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;end_both
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/*
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* General rules for being installed in the Control Panel:
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*
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* 1) The DLL must export a function named CPlApplet which will handle
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* the messages discussed below.
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* 2) If the applet needs to save information in CONTROL.INI minimize
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* clutter by using the application name [MMCPL.appletname].
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* 2) If the applet is refrenced in CONTROL.INI under [MMCPL] use
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* the following form:
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* ...
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* [MMCPL]
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* uniqueName=c:\mydir\myapplet.dll
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* ...
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*
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*
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* The order applet DLL's are loaded by CONTROL.EXE is not guaranteed.
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* Control panels may be sorted for display, etc.
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*
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*/
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#ifndef _INC_CPL
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#define _INC_CPL
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#ifndef _INC_CPLP ;internal_NT
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#define _INC_CPLP ;internal_NT
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;begin_both
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#include <pshpack1.h> /* Assume byte packing throughout */
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#ifdef __cplusplus
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extern "C" { /* Assume C declarations for C++ */
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#endif /* __cplusplus */
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;end_both
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/*
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* CONTROL.EXE will answer this message and launch an applet
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*
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* WM_CPL_LAUNCH
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*
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* wParam - window handle of calling app
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* lParam - LPTSTR of name of applet to launch
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*
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* WM_CPL_LAUNCHED
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*
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* wParam - TRUE/FALSE if applet was launched
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* lParam - NULL
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*
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* CONTROL.EXE will post this message to the caller when the applet returns
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* (ie., when wParam is a valid window handle)
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*
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*/
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#define WM_CPL_LAUNCH (WM_USER+1000)
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#define WM_CPL_LAUNCHED (WM_USER+1001)
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/* A function prototype for CPlApplet() */
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//typedef LRESULT (APIENTRY *APPLET_PROC)(HWND hwndCpl, UINT msg, LPARAM lParam1, LPARAM lParam2);
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typedef LONG (APIENTRY *APPLET_PROC)(HWND hwndCpl, UINT msg, LPARAM lParam1, LPARAM lParam2);
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/* The data structure CPlApplet() must fill in. */
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typedef struct tagCPLINFO
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{
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int idIcon; /* icon resource id, provided by CPlApplet() */
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int idName; /* name string res. id, provided by CPlApplet() */
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int idInfo; /* info string res. id, provided by CPlApplet() */
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LONG_PTR lData; /* user defined data */
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} CPLINFO, *LPCPLINFO;
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typedef struct tagNEWCPLINFO%
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{
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DWORD dwSize; /* similar to the commdlg */
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DWORD dwFlags;
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DWORD dwHelpContext; /* help context to use */
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LONG_PTR lData; /* user defined data */
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HICON hIcon; /* icon to use, this is owned by CONTROL.EXE (may be deleted) */
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TCHAR% szName[32]; /* short name */
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TCHAR% szInfo[64]; /* long name (status line) */
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TCHAR% szHelpFile[128];/* path to help file to use */
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} NEWCPLINFO%, *LPNEWCPLINFO%;
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;begin_winver_400
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#define CPL_DYNAMIC_RES 0
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// This constant may be used in place of real resource IDs for the idIcon,
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// idName or idInfo members of the CPLINFO structure. Normally, the system
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// uses these values to extract copies of the resources and store them in a
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// cache. Once the resource information is in the cache, the system does not
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// need to load a CPL unless the user actually tries to use it.
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// CPL_DYNAMIC_RES tells the system not to cache the resource, but instead to
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// load the CPL every time it needs to display information about an item. This
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// allows a CPL to dynamically decide what information will be displayed, but
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// is SIGNIFICANTLY SLOWER than displaying information from a cache.
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// Typically, CPL_DYNAMIC_RES is used when a control panel must inspect the
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// runtime status of some device in order to provide text or icons to display.
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;end_winver_400
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/* The messages CPlApplet() must handle: */
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#define CPL_INIT 1
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/* This message is sent to indicate CPlApplet() was found. */
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/* lParam1 and lParam2 are not defined. */
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/* Return TRUE or FALSE indicating whether the control panel should proceed. */
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;begin_internal_NT
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/* if lParam1 == CPL_INIT_DEVMODE_TAG for the display applet then */
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/* a Devmode structure is sent to lParam2 */
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#define CPL_INIT_DEVMODE_TAG 0x4D564544 // represents "DEVM"
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;end_internal_NT
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#define CPL_GETCOUNT 2
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/* This message is sent to determine the number of applets to be displayed. */
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/* lParam1 and lParam2 are not defined. */
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/* Return the number of applets you wish to display in the control */
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/* panel window. */
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#define CPL_INQUIRE 3
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/* This message is sent for information about each applet. */
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/* A CPL SHOULD HANDLE BOTH THE CPL_INQUIRE AND CPL_NEWINQUIRE MESSAGES. */
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/* The developer must not make any assumptions about the order or dependance */
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/* of CPL inquiries. */
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/* lParam1 is the applet number to register, a value from 0 to */
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/* (CPL_GETCOUNT - 1). lParam2 is a far ptr to a CPLINFO structure. */
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/* Fill in CPLINFO's idIcon, idName, idInfo and lData fields with */
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/* the resource id for an icon to display, name and description string ids, */
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/* and a long data item associated with applet #lParam1. This information */
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/* may be cached by the caller at runtime and/or across sessions. */
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/* To prevent caching, see CPL_DYNAMIC_RES, above. */
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#define CPL_SELECT 4
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/* The CPL_SELECT message has been deleted. */
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#define CPL_DBLCLK 5
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/* This message is sent when the applet's icon has been double-clicked */
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/* upon. lParam1 is the applet number which was selected. lParam2 is the */
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/* applet's lData value. */
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/* This message should initiate the applet's dialog box. */
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#define CPL_STOP 6
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/* This message is sent for each applet when the control panel is exiting. */
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/* lParam1 is the applet number. lParam2 is the applet's lData value. */
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/* Do applet specific cleaning up here. */
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#define CPL_EXIT 7
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/* This message is sent just before the control panel calls FreeLibrary. */
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/* lParam1 and lParam2 are not defined. */
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/* Do non-applet specific cleaning up here. */
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#define CPL_NEWINQUIRE 8
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/* Same as CPL_INQUIRE execpt lParam2 is a pointer to a NEWCPLINFO struct. */
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/* A CPL SHOULD HANDLE BOTH THE CPL_INQUIRE AND CPL_NEWINQUIRE MESSAGES. */
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/* The developer must not make any assumptions about the order or dependance */
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/* of CPL inquiries. */
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;begin_winver_400
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#define CPL_STARTWPARMSA 9
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#define CPL_STARTWPARMSW 10
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#ifdef UNICODE
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#define CPL_STARTWPARMS CPL_STARTWPARMSW
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#else
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#define CPL_STARTWPARMS CPL_STARTWPARMSA
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#endif
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/* this message parallels CPL_DBLCLK in that the applet should initiate
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** its dialog box. where it differs is that this invocation is coming
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** out of RUNDLL, and there may be some extra directions for execution.
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** lParam1: the applet number.
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** lParam2: an LPSTR to any extra directions that might exist.
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** returns: TRUE if the message was handled; FALSE if not.
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*/
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;end_winver_400
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#define CPL_DO_PRINTER_SETUP 100 ;internal
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#define CPL_DO_NETPRN_SETUP 101 ;internal
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#define CPL_POLICYREFRESH 102 ;internal
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/* This message is internal to the Control Panel and MAIN applets. */
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/* It is only sent when an applet is invoked from the Command line */
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/* during system installation. */
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#define CPL_SETUP 200
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;begin_both
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#ifdef __cplusplus
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}
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#endif /* __cplusplus */
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#include <poppack.h>
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;end_both
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#endif /* _INC_CPLP */ ;internal_NT
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#endif /* _INC_CPL */
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